/*
 * Copyright (C) 2009 Leandro Aparecido <lehphyro@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.metalframework.jsf.scope;

import javax.faces.event.*;

import org.slf4j.*;

public class ScopePhaseListener implements PhaseListener {

	private static final long serialVersionUID = -3372826075966872517L;
	
	private static final Logger logger = LoggerFactory.getLogger(ScopePhaseListener.class);

	public PhaseId getPhaseId() {
		return PhaseId.ANY_PHASE;
	}
	
	public void beforePhase(PhaseEvent event) {
		if (PhaseId.RESTORE_VIEW.equals(event.getPhaseId())) {
			logger.trace("Before Restore View phase, starting all scopes");
			for (FacesScope scope : FacesScope.getAllScopes()) {
				scope.onStartRequest();
			}
		}
	}
	
	public void afterPhase(PhaseEvent event) {
		if (PhaseId.RENDER_RESPONSE.equals(event.getPhaseId())) {
			for (FacesScope scope : FacesScope.getAllScopes()) {
				logger.trace("After Render Response phase, ending all scopes");
				scope.onEndRequest();
			}
		}
	}

}
